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Imaging Study Shows Docs Feel Your Pain, Literally

By Senior News Editor
Reviewed by John M. Grohol, Psy.D. on January 30, 2013

Brain Scans Reveal Objective Findings of Physician Empathy  When a physician tells you they feel your pain, they may be doing more than sharing their concern as they may actually experience feelings related to your condition.

This remarkable discovery resulted from a study in which in which physicians underwent brain scans while they believed they were actually treating patients.

From this experiment, researchers discovered the first scientific evidence indicating that doctors truly can feel their patients’ pain — and can also experience their relief following treatment.

The findings, which appear online in the journal Molecular Psychiatry, shed new light on one of the more intangible aspects of health care — the doctor/patient relationship.

“Our findings showed that the same brain regions that have previously been shown to be activated when patients receive placebo therapies are similarly activated in the brains of doctors when they administer what they think are effective treatments,” said first author Karin Jensen, Ph.D.

Moreover, the findings also show that the physicians who report greater ability to relate to the patient, or take things from the patients’ perspective, display brain activity in the area associated with satisfaction.

Thus physicians who are able to empathize with patients’ feelings experience higher satisfaction during patients’ treatments, as reflected in the brain scans.

“By demonstrating that caring for patients involves a complex set of brain events, including deep understanding of the patient’s facial and body expressions, possibly in combination with the physician’s own expectations of relief and feelings of reward, we have been able to elucidate the neurobiology underlying caregiving,” said senior author Ted Kaptchuk, associate professor of medicine at Harvard Medical School.

“Our findings provide early evidence of the importance of interacting brain networks between patients and caregivers and acknowledge the doctor/patient relationship as a valued component of health care, alongside medications and procedures.”

Experts comment that previous investigations have demonstrated that a brain region associated with pain relief and a region associated with reward are activated when patients experience the placebo effect, which occurs when patients show improvement from treatments that contain no active ingredients.

The placebo effect accounts for significant portions of clinical outcomes in many illnesses — including pain, depression and anxiety.

Although behavioral research has suggested that physicians’ expectations influence patients’ clinical outcomes and help determine patients’ placebo responses, until now little effort has been directed to understanding the biology underlying the physician component of the clinical relationship.

Jensen and her colleagues hypothesized that the same brain regions that are activated during patients’ placebo responses would similarly be activated in the brains of physicians as they treated patients. They also hypothesized that a physician’s perspective-taking skills would influence the outcomes.

In the study, researchers developed a unique equipment arrangement that would enable them to conduct functional magnetic resonance imaging (fMRI) of the physicians’ brains while the doctors had face-to-face interactions with patients, including observing patients as they underwent pain treatments.

The experiment included 18 physicians (all of whom had received their medical degree within the last 10 years and represented nine separate medical specialties). Two 25-year-old females played the role of “patients” and followed a rehearsed script.

The experiment called for the participating physicians to administer pain relief with what they thought was a pain-relieving electronic device, but which was actually a non-active “sham” device.

To ensure that the physicians believed that the sham device really worked, the investigators first administered a dose of “heat pain” to the physicians’ forearms to gauge pain threshold and then “treated” them with the fake machine.

During the treatments, the investigators reduced the heat stimulation, to demonstrate to the participants that the therapy worked. The physicians underwent fMRI scans while they experienced the painful heat stimulation so that investigators could see exactly which brain regions were activated during first-person perception of pain.

In the second portion of the experiment,each physician was introduced to a patient and asked to perform a standardized clinical examination, which was conducted in a typical exam room for approximately 20 minutes. (The clinical exam was performed in order to establish a realistic rapport between the physician and patient before fMRI scanning took place, and was comparable to a standard U.S. doctor’s appointment.)

At this point the physician also answered a questionnaire, the Interpersonal Reactivity Index, used to measure the participant’s self-reported perspective-taking skills.

During the third step, said Jensen, the physician and patient were led into the scanner room. “The physician went inside the scanner and was equipped with a remote control that could activate the ‘analgesic device’ when prompted,” she explains.

Mirrors inside the scanner enabled physicians to maintain eye contact with the patient, who was seated on a chair next to the scanner’s bed and hooked up to both the thermal pain stimulator and the pain-relieving device.

Then, in a randomized order, physicians were instructed to either treat a patient’s pain or to press a control button that provided no relief. When physicians were told not to activate pain relief, the “patient” exhibited a painful facial expression while the physicians watched.

When the physicians were instructed to treat the patients’ pain, they could see that the subjects’ faces were neutral and relaxed, the result of pain relief. During these doctor-patient interactions, fMRI scans measured the doctors’ brain activations.

Following the scanning session, the physicians were removed from the scanner and told exactly how the experiment had been performed, says Jensen. “If the physician did not agree with the deceptive component of the study, they were given the opportunity to withdraw their data. No one did this.”

As predicted, the authors found that while treating patients, the physicians activated the region of the brain previously implicated in the placebo response. Furthermore, Jensen adds, the physicians’ ability to take the patients’ viewpoints correlated to brain activations and subjective ratings; physicians who reported high perspective-taking skills were more likely to show activation in the brain region associated with reward.

“We already know that the physician-patient relationship provides solace and can even relieve many symptoms,” adds Kaptchuk.

“Now, for the first time, we’ve shown that caring for patients encompasses a unique neurobiology in physicians. Our ultimate goal is to transform the ‘art of medicine’ into the ‘science of care,’ and this research is an important first step in this process as we continue investigations to find out how patient-clinician interactions can lead to measurable clinical outcomes in patients.”

Source: Beth Israel Deaconess Medical Center

 

 

APA Reference
Nauert, R. (2013). Imaging Study Shows Docs Feel Your Pain, Literally. Psych Central. Retrieved on April 20, 2014, from http://psychcentral.com/news/2013/01/30/brain-scans-reveal-objective-findings-of-physician-empathy/50992.html

 

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